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   <div id="projectname">lwIP
   &#160;<span id="projectnumber">2.1.2</span>
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   <div id="projectbrief">Lightweight IP stack</div>
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<div class="title">ethip6.c File Reference</div>  </div>
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<div class="textblock"><code>#include &quot;<a class="el" href="opt_8h.html">lwip/opt.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="ethip6_8h.html">lwip/ethip6.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="nd6_8h.html">lwip/nd6.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="pbuf_8h.html">lwip/pbuf.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="ip6_8h.html">lwip/ip6.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="ip6__addr_8h.html">lwip/ip6_addr.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="inet__chksum_8h.html">lwip/inet_chksum.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="netif_8h.html">lwip/netif.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="icmp6_8h.html">lwip/icmp6.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="lwip_2prot_2ethernet_8h.html">lwip/prot/ethernet.h</a>&quot;</code><br />
<code>#include &quot;<a class="el" href="netif_2ethernet_8h.html">netif/ethernet.h</a>&quot;</code><br />
<code>#include &lt;string.h&gt;</code><br />
</div><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ab5326546d33174f91f1fb0cc6d398bfd"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ethip6_8c.html#ab5326546d33174f91f1fb0cc6d398bfd">ethip6_output</a> (struct <a class="el" href="structnetif.html">netif</a> *<a class="el" href="structnetif.html">netif</a>, struct <a class="el" href="structpbuf.html">pbuf</a> *q, const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *ip6addr)</td></tr>
<tr class="separator:ab5326546d33174f91f1fb0cc6d398bfd"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Ethernet output for IPv6. Uses ND tables for link-layer addressing. </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="ab5326546d33174f91f1fb0cc6d398bfd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab5326546d33174f91f1fb0cc6d398bfd">&#9670;&nbsp;</a></span>ethip6_output()</h2>

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          <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> ethip6_output </td>
          <td>(</td>
          <td class="paramtype">struct <a class="el" href="structnetif.html">netif</a> *&#160;</td>
          <td class="paramname"><em>netif</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">struct <a class="el" href="structpbuf.html">pbuf</a> *&#160;</td>
          <td class="paramname"><em>q</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *&#160;</td>
          <td class="paramname"><em>ip6addr</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
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<p>Resolve and fill-in Ethernet address header for outgoing IPv6 packet.</p>
<p>For IPv6 multicast, corresponding Ethernet addresses are selected and the packet is transmitted on the link.</p>
<p>For unicast addresses, ask the ND6 module what to do. It will either let us send the the packet right away, or queue the packet for later itself, unless an error occurs.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">netif</td><td>The lwIP network interface which the IP packet will be sent on. </td></tr>
    <tr><td class="paramname">q</td><td>The <a class="el" href="structpbuf.html">pbuf(s)</a> containing the IP packet to be sent. </td></tr>
    <tr><td class="paramname">ip6addr</td><td>The IP address of the packet destination.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><ul>
<li>ERR_OK or the return value of <a class="el" href="nd6_8h.html#ae447c204ebbf71e6ebbc5ed727a73eb9">nd6_get_next_hop_addr_or_queue</a>. </li>
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